/* Install Banner */
.banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  margin: 20px auto;
  max-width: 320px;
  border-radius: 16px;
  background: linear-gradient(135deg, #ffd6e7, #ffeef7);
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  text-align: center;
  animation: fadeIn 0.6s ease forwards;
}

.banner p {
  font-size: 1rem;
  color: #333;
  margin: 0;
}

.banner .btn {
  background: #ff80ab;
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.3s ease;
}

.banner .btn:hover,
.banner .btn:focus {
  background: #ff4081;
  transform: scale(1.05);
}

.hidden {
  display: none;
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
  }